So Chetumal is in Mexico, and this publication is suppose to be about Belize...but, a day trip to Chetumal from Belize is so easy. Here is a quick run down on how it is done and some great photos.
"...The city of Chetumal, Mexico is a quick and relatively easy trip from San Pedro, Belize. Hardly a tourism mecca or international hotspot, Chetumal is the capital of Quintana Roo. It is a small city by world standards but has half the population of all of Belize (151,000 vs. 305,000ish). Honestly, I'd never heard of the place before I moved down here..."